"Several changes, some bugfixes and a major testing effort bring me to release a new version of the SCHED_DEADLINE patchset (v7). In addition, given the fact that the project has been around for quite some time with always a positive feedback from the community and since we have reached a stable and tested set of functionalities, I think it is time to remove the RFC tag."

It is a better scheduler for server loads than Linux's default, the Completely Fair Scheduler. Deadline allows more parallelism, so more cores can be doing IO without having to wait for each other. It works especially well with XFS, which is also designed for highly parallel loads.